CN220505646U - High-performance efficient direct-drive turntable - Google Patents
High-performance efficient direct-drive turntable Download PDFInfo
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- CN220505646U CN220505646U CN202321785517.7U CN202321785517U CN220505646U CN 220505646 U CN220505646 U CN 220505646U CN 202321785517 U CN202321785517 U CN 202321785517U CN 220505646 U CN220505646 U CN 220505646U
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- oil
- bearing
- rotating shaft
- brake block
- tailstock
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- 239000003921 oil Substances 0.000 claims description 100
- 239000010720 hydraulic oil Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 230000002035 prolonged effect Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model provides a high-performance high-efficiency direct-drive turntable, which comprises a four-axis assembly, a tailstock and a five-axis assembly, wherein the five-axis assembly is rotationally arranged between the four-axis assembly and the tailstock, the tailstock comprises a main body, a rotating shaft and a cover plate, the rotating shaft is rotationally connected with the main body, one end of the rotating shaft is provided with a brake block, an annular groove is formed in the main body, a piston block is slidingly arranged in the annular groove, an oil cavity I is formed between the piston block and the bottom of the annular groove, an oil cavity II is formed between the piston block and the brake block, the oil cavity I is filled with oil, the pressure in the oil cavity I is increased, the piston block moves towards the brake block and abuts against the brake block, the friction force between the brake block and the piston block is increased, the tailstock is directly driven to reduce the speed by hydraulic pressure, the speed of the tailstock and the four-axis assembly and the tailstock are simultaneously born for inertia caused by speed reduction, and the service life of the four-axis assembly and the tailstock is prolonged.
Description
Technical Field
The utility model relates to numerical control equipment, in particular to a high-performance and high-efficiency direct-drive turntable.
Background
At present, chinese patent with publication number CN215432512U discloses a five-axis cradle turntable, which comprises a base plate, a four-axis assembly, a tailstock main body and a five-axis assembly, wherein the four-axis assembly and the five-axis assembly are controlled by a motor to rotate, and the four-axis assembly and the tailstock main body drive the five-axis assembly to rotate around the X-axis direction, so that the five-axis assembly swings on the X-axis, thereby realizing multi-angle processing of parts.
The numerical control machine tool is still insufficient, the rotation angle of the numerical control machine tool is controlled through an encoder, the encoder is usually arranged in the four-axis component and the five-axis component, the five-axis component rotates around the X-axis direction, the four-axis component and the tailstock main body are jointly realized, when the four-axis component rotates fast, the phenomenon of large inertia occurs, the problem of inaccurate rotation angle is easy to occur only through the four-axis component in deceleration control, and therefore the rotation precision of the four-axis is reduced, and the deceleration efficiency is low.
Disclosure of Invention
In view of the above, the present utility model aims to provide a high-performance and high-efficiency direct-drive turntable, which has a function of directly driving a tailstock to slow down.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a high-performance high-efficient revolving stage that directly drives, includes four-axis assembly, tailstock and five-axis assembly, five-axis assembly rotation sets up between four-axis assembly and the tailstock, including the main part in the tailstock, set up the pivot in the main part and the apron of fixed pivot, the pivot with main part swivelling joint, pivot one end is provided with the brake block, the apron sets up in brake block one end and can dismantle with the main part and be connected, the annular has been seted up in the main part, it is provided with the piston block to slide in the annular, the piston block with form oil pocket I between the annular bottom, form oil pocket II between piston block and the brake block, oil circuit I and oil circuit II have been seted up to the main part, oil circuit II communicates with oil pocket I, oil circuit II communicates with oil pocket II.
Through the technical means, oil is injected into the first oil cavity through the oil way, the pressure in the first oil cavity is increased, the piston block moves towards the brake block and abuts against the brake block, the braking effect is achieved by increasing the friction force between the brake block and the piston block, the tailstock is directly driven to decelerate through hydraulic pressure, the function of simultaneously decelerating the tailstock and the four-axis assembly is achieved, the four-axis assembly and the tailstock simultaneously bear inertia brought by deceleration, the service life of the four-axis is prolonged, oil is injected into the second oil cavity through the second oil way, the pressure in the first oil cavity is reduced, the piston block is separated from the brake block, and locking between the main body and the rotating shaft is relieved.
Preferably, the surface of the piston block, which is close to the side wall of the ring groove, is provided with a sealing groove, and sealing rings are arranged in the sealing grooves.
Through the technical means, the tightness between the piston block and the side wall of the ring groove is improved, and the piston block failure caused by oil leakage is prevented.
Preferably, the piston block is provided with a first lug on one surface close to the brake block, the cover plate is provided with a second lug on one surface close to the brake block, and when the oil cavity is filled with oil, the first lug props against the brake block to enable the brake block to prop against the second lug.
Through the technical means, the brake pad is clamped by the first lug and the second lug, so that the braking efficiency of the brake pad is further improved, meanwhile, the brake pad is prevented from being broken and deformed due to unilateral force, and the service life of the brake pad is prolonged.
Preferably, the main body is provided with a through hole, the rotating shaft is rotatably arranged in the through hole, a first bearing and a second bearing are arranged between the inner wall of the through hole and the rotating shaft, a spacer ring is further arranged in the through hole, the first bearing and the second bearing are respectively arranged on two sides of the spacer ring, and the spacer ring props against the outer rings of the first bearing and the second bearing.
Through the technical means, the friction force between the main body and the rotating shaft is reduced through the first bearing and the second bearing, the service life of the rotating shaft is prolonged, the outer ring of the bearing is propped against through the isolating ring, the contact surface between the bearing and the main body is increased, and the probability of abrasion between the outer ring of the bearing and the inner wall of the through hole is reduced.
Preferably, the rotating shaft is further provided with a propping ring, the propping ring is in threaded connection with the rotating shaft, and the propping ring props against the inner ring of the second bearing.
Through above-mentioned technical means, through support ring fixed bearing inner race, restriction bearing takes place to remove, reduces simultaneously and takes place the probability of wearing and tearing between bearing inner race and the pivot, through support ring and pivot threaded connection, makes the installation and the dismantlement of bearing one and bearing two more convenient.
Preferably, an oil cavity III is further arranged between the through hole and the rotating shaft, the oil cavity III is communicated with the oil cavity II and the oil way II, and the bearing I and the bearing II are arranged in the oil cavity III.
Through the technical means, the oil cavity III is communicated with the oil way II and the oil cavity II, so that hydraulic oil lubricates the bearing I and the bearing II while driving the piston block to move, and the service lives of the bearing I and the bearing II are prolonged.
Preferably, an overflow hole is formed between the first oil cavity and the third oil cavity, a one-way overflow valve is arranged in the overflow hole, and hydraulic oil is limited to flow into the first oil cavity from the first oil cavity by the one-way overflow valve.
Through the technical means, through setting up the one-way overflow valve between oil pocket I and oil pocket III, make the hydraulic oil in the oil pocket I get into oil pocket II through the one-way overflow valve, when the pressure in the oil pocket I is too big, the one-way overflow valve starts and presses hydraulic oil in the oil pocket II, plays the guard action, prevents that pressure in oil pocket I from too big from leading to too tight between piston block and the brake block, increases piston block and brake block's life.
Preferably, a framework oil seal is arranged between the rotating shaft and the main body and between the rotating shaft and the cover plate, and the framework oil seal is sleeved on the rotating shaft.
Through above-mentioned technical means, increase the leakproofness of tailstock through the skeleton oil blanket, the problem that the inside hydraulic oil appears leaking when preventing the pivot rotation.
Drawings
FIG. 1 is a schematic diagram of an embodiment;
FIG. 2 is a schematic view of the structure of the tailstock;
FIG. 3 is a schematic cross-sectional view of the tailstock;
fig. 4 is an enlarged view of a portion a of fig. 3;
fig. 5 is an enlarged view of a portion B of fig. 3.
Reference numerals: 1. a four-axis assembly; 2. a tailstock; 3. a five-axis assembly; 4. a main body; 5. a rotating shaft; 6. a cover plate; 7. a through hole; 8. a brake pad; 9. a ring groove; 10. a piston block; 11. an oil cavity I; 12. an oil cavity II; 13. an oil way I; 14. an oil path II; 15. sealing grooves; 16. a seal ring; 17. a first bump; 18. a second bump; 19. a disk portion; 20. a stem portion; 21. a first bearing; 22. a second bearing; 23. a spacer ring; 24. a support ring; 25. an oil cavity III; 26. an overflow aperture; 27. a one-way overflow valve; 28. and (5) a framework oil seal.
Detailed Description
The following detailed description of the utility model is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the utility model.
The utility model provides a high-performance high-efficient direct-drive revolving stage, as shown in fig. 1 through 5, including four-axis subassembly 1, tailstock 2 and five-axis subassembly 3, five-axis subassembly 3 rotatory setting is between four-axis subassembly 1 and tailstock 2, including main part 4 in the tailstock 2, the pivot 5 of setting in main part 4 and the apron 6 of fixed pivot 5, the through-hole 7 has been seted up to main part 4, pivot 5 rotates and sets up in through-hole 7, five-axis subassembly 3 and the one end fixed connection of pivot 5, the pivot 5 other end is provided with brake block 8, brake block 8 passes through screw fixed connection with pivot 5, apron 6 sets up in brake block 8 one end and passes through screw connection with main part 4, annular 9 has been seted up near brake block 8 terminal surface in the main part 4, the annular 9 slides and is provided with piston block 10, form oil pocket I11 between piston block 10 and the annular 9 bottoms, form II 12 between piston block 10 and the brake block 8, oil circuit I13 and II 14 of oil circuit are seted up respectively to the both sides of main part 4, 13 intercommunication annular 9 bottoms and with I11 intercommunication, II 14 and II oil circuit 12 intercommunication, still include I oil circuit, 13 and II oil pump intercommunication.
When the rotation of the rotating shaft 5 is required to stop, the first oil way 13 is filled with oil, hydraulic oil in the first oil cavity 11 applies thrust to the piston block 10 and enables the piston block 10 to move towards the brake block 8, when the piston block 10 props against the brake block 8, the brake block 8 drives the rotating shaft 5 to stop rotating through friction force generated between the piston block 10 and the brake block 8, when the rotating shaft 5 is required to restart rotating, the second oil way 14 is filled with oil, hydraulic oil in the second oil cavity 12 applies thrust to the piston block 10 and enables the piston block 10 to move away from the brake block 8, and locking between the piston block 10 and the brake block 8 is prevented.
The surface of the piston block 10, which is close to the side wall of the ring groove 9, is provided with a sealing groove 15, and sealing rings 16 are arranged in the sealing groove 15 to prevent the piston block 10 from failure caused by oil leakage.
The piston block 10 is close to the brake block 8 one side still is provided with lug one 17, and apron 6 is close to the brake block 8 one side and is provided with lug two 18, and lug one 17 supports the brake block 8 and makes brake block 8 support and lean on lug two 18 when oil pocket one 11 oiling, makes piston block 10 be close to the brake block 8 one side still have certain space, prevents to lean on too tightly unable the coming off between piston block 10 and the brake block 8, presss from both sides tight brake block 8 through lug one 17 and lug two 18 simultaneously, further increases the braking efficiency of brake block 8, prevents simultaneously that brake block 8 from bearing unilateral force and taking place to fracture, problem such as warp, increases the life of brake block 8.
The rotating shaft 5 comprises a disc 19 and a rod 20, the disc 19 is connected with the four-shaft assembly 1, the rod 20 and the main body 4 rotate, a first bearing 21 and a second bearing 22 are arranged between the inner wall of the through hole 7 and the rod 20 of the rotating shaft 5, a spacer ring 23 is further arranged in the through hole 7, the first bearing 21 and the second bearing 22 are respectively arranged on two sides of the spacer ring 23, the spacer ring 23 abuts against the outer rings of the first bearing 21 and the second bearing 22, the rod 20 is further provided with an abutting ring 24, the abutting ring 24 is in threaded connection with the rotating shaft 5, and the abutting ring 24 abuts against the inner ring of the second bearing 22.
When the first bearing 21 and the second bearing 22 are installed, the first bearing 21 is sleeved on the rod portion 20 and knocked to the bottom of the rod portion 20, the end face of the inner ring of the first bearing 21 is attached to the disc portion 19, the rotating shaft 5 is installed in the through hole 7, the outer ring of the first bearing 21 abuts against one side of the isolating ring 23, then the second bearing 22 is knocked in, the outer ring of the second bearing 22 abuts against the other side of the isolating ring 23, and the abutting ring 24 is screwed into the rod portion 20 and abuts against the inner ring of the second bearing 22.
An oil cavity III 25 is further formed between the through hole 7 and the rotating shaft 5, the oil cavity III 25 is communicated with an oil cavity II 12 and an oil way II 14, a bearing I21 and a bearing II 22 are arranged in the oil cavity III 25, and hydraulic oil is enabled to lubricate the bearing I21 and the bearing II 22 while driving the piston block 10 to move by communicating the oil cavity III 25 with the oil way II 14 and the oil cavity II 12, so that the service lives of the bearing I21 and the bearing II 22 are prolonged.
An overflow hole 26 is formed between the first oil cavity 11 and the third oil cavity 25, a one-way overflow valve 27 is arranged in the overflow hole 26, hydraulic oil is limited to flow into the first oil cavity 11 from the third oil cavity 25 by the one-way overflow valve 27, when the pressure in the first oil cavity 11 is overlarge, the one-way overflow valve 27 is started and presses the hydraulic oil into the second oil cavity 12, the piston block 10 generates a jacking force, a protection effect is achieved on the piston block 10 and the brake block 8, the piston block 10 and the brake block 8 are prevented from being overtightened due to overlarge pressure in the first oil cavity 11, and the service lives of the piston block 10 and the brake block 8 are prolonged.
All be provided with skeleton oil blanket 28 between pivot 5 and main part 4 and the apron 6, skeleton oil blanket 28 cover is established on pivot 5, increases tailstock 2's leakproofness through skeleton oil blanket 28, prevents that the inside hydraulic oil from appearing leaking the problem when pivot 5 rotate.
Of course, the above is only a typical example of the utility model, and other embodiments of the utility model are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the utility model claimed.
Claims (8)
1. The utility model provides a high performance high efficiency directly drives revolving stage, includes four-axis subassembly (1), tailstock (2) and five-axis subassembly (3), five-axis subassembly (3) rotation setting is in between four-axis subassembly (1) and tailstock (2), characterized by: including main part (4), pivot (5) and fixed pivot (5) apron (6) of setting in main part (4) in tailstock (2), pivot (5) with main part (4) swivelling joint, pivot (5) one end is provided with brake block (8), apron (6) set up in brake block (8) one end and can dismantle with main part (4) and be connected, annular (9) have been seted up in main part (4), sliding in annular (9) is provided with piston block (10), piston block (10) with form oil pocket I (11) between annular (9) bottom, form oil pocket II (12) between piston block (10) and brake block (8), oil circuit I (13) and oil circuit II (14) have been seted up to main part (4), oil circuit I (13) and oil pocket I (11) communicate, oil circuit II (14) and oil pocket II (12) communicate.
2. The high-performance and high-efficiency direct-drive turntable according to claim 1, which is characterized in that: the surface of the piston block (10) close to the side wall of the ring groove (9) is provided with sealing grooves (15), and sealing rings (16) are arranged in the sealing grooves (15).
3. The high-performance and high-efficiency direct-drive turntable according to claim 1, which is characterized in that: the piston block (10) is provided with a first lug (17) close to the brake block (8), the cover plate (6) is provided with a second lug (18) close to the brake block (8), and when the oil cavity (11) is filled with oil, the first lug (17) props against the brake block (8) to enable the brake block (8) to prop against the second lug (18).
4. The high-performance and high-efficiency direct-drive turntable according to claim 1, which is characterized in that: the novel bearing is characterized in that the main body (4) is provided with a through hole (7), the rotating shaft (5) is rotatably arranged in the through hole (7), a first bearing (21) and a second bearing (22) are arranged between the inner wall of the through hole (7) and the rotating shaft (5), a spacer ring (23) is further arranged in the through hole (7), the first bearing (21) and the second bearing (22) are respectively arranged on two sides of the spacer ring (23), and the spacer ring (23) abuts against the outer rings of the first bearing (21) and the second bearing (22).
5. The high-performance and high-efficiency direct-drive turntable according to claim 4, which is characterized in that: the rotating shaft (5) is further provided with a supporting ring (24), the supporting ring (24) is in threaded connection with the rotating shaft (5), and the supporting ring (24) supports against the inner ring of the bearing II (22).
6. The high-performance and high-efficiency direct-drive turntable according to claim 4, which is characterized in that: an oil cavity III (25) is further arranged between the through hole (7) and the rotating shaft (5), the oil cavity III (25) is communicated with the oil cavity II (12) and the oil way II (14), and the bearing I (21) and the bearing II (22) are arranged in the oil cavity III (25).
7. The high-performance and high-efficiency direct-drive turntable according to claim 5, which is characterized in that: an overflow hole (26) is formed between the first oil cavity (11) and the third oil cavity (25), a one-way overflow valve (27) is arranged in the overflow hole (26), and hydraulic oil is limited to flow into the first oil cavity (11) from the third oil cavity (25) through the one-way overflow valve (27).
8. The high-performance and high-efficiency direct-drive turntable according to claim 1, which is characterized in that: and a framework oil seal (28) is arranged between the rotating shaft (5) and the main body (4) and between the rotating shaft and the cover plate (6), and the framework oil seal (28) is sleeved on the rotating shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321785517.7U CN220505646U (en) | 2023-07-08 | 2023-07-08 | High-performance efficient direct-drive turntable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321785517.7U CN220505646U (en) | 2023-07-08 | 2023-07-08 | High-performance efficient direct-drive turntable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220505646U true CN220505646U (en) | 2024-02-20 |
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ID=89878861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321785517.7U Active CN220505646U (en) | 2023-07-08 | 2023-07-08 | High-performance efficient direct-drive turntable |
Country Status (1)
| Country | Link |
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| CN (1) | CN220505646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118088597A (en) * | 2024-04-26 | 2024-05-28 | 横川机器人（深圳）有限公司 | Direct-drive rotary table braking device |
-
2023
- 2023-07-08 CN CN202321785517.7U patent/CN220505646U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118088597A (en) * | 2024-04-26 | 2024-05-28 | 横川机器人（深圳）有限公司 | Direct-drive rotary table braking device |
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